Diamond Systems C-PGS-KIT - Manual (Page 8)

Pegasus Fast Start Guide 7460572 Rev A Page 8 of 12
JUMPER FUNCTIONS
COM2 RS‐232/422/485 SELECTION (JRS1)
Using jumper JRS1, the COM2 port can be configured to operate in RS‐232, RS‐422 or RS‐485 mode.
Mode Pins 1‐2 Jumper Pins 3‐4 Jumper Pins 5‐6 Jumper
RS‐232 (Default) ON OFF OFF
RS‐422 OFF ON OFF
RS‐485 OFF OFF ON
COM2 RS‐422/485 FEATURE CONFIGURATION (JTM1)
Using jumper JTM1, the COM2 port RS‐422/485 features can be configured.
The default configuration is with no jumpers installed.
Feature Jumper Setting
RS‐422/485 TX+ Pull‐up Pins 1 & 2
RS‐422/485 TX‐ Pull‐down Pins 3 & 4
RS‐422/485 Terminal 120ohm Pins 5 & 6
RS‐422 Terminal 120ohm Pins 7 & 8
RS‐422 RX+ Pull‐up Pins 9 & 10
RS‐422 RX Pull‐down Pins 11 & 12
CMOS SETUP (JBAT1)
Using jumper JBAT1, the CMOS can be retained or cleared.
Immediately after clearing CMOS the default BIOS should be loaded.
Mode Jumper Setting
Keep CMOS (Default) Pins 1 & 2
Clear CMOS Pins 2 & 3
LCD FEATURE CONFIGURATION (J1)
Using jumper J1, the frame rate and scan direction of the LCD device can be configured.
Feature Jumper Setting
Frame Rate Low (Default) Pins 1 & 3 on
Frame Rate High Pins 1 & 3 off
Scan Direction Low (Default) Pins 2 & 4 on
Scan Direction High Pins 2 & 4 off
LCD BACKLIGHT VOLTAGE SELECT (JINV1)
Using jumper JINV1, the input power voltage for the LCD backlight can be selected.
Voltage Jumper Setting
+5V (Default) Pins 1 & 2
+12V Pins 2 & 3